British Inch as the Unit of Measure of the Mound Binlders.^^ 



thereof, became interested in the various discoveries set forth in 

 the works of the writer as to the origin and ancient use of the 

 British measures ; as also in the suggestion of their use in the con- 

 struction of the Mound Builder remains. Having his attention 

 turned that way, it occurred to him to take the measure of the 

 Gridley stone, the outlines of which are here given : . 



Fig-. I. Around the curve from the shoulder of Ihe stone above B in direction of 

 the arrovvrs to E is 12 standard inches. The right line face between these is 9 standard 

 inches. The stone is the half of the ellipse and drawn twice, reversing it. 'I'he figure 

 is reduced oiw-lialf %ize from the exact far simile. The edge of the stone on diameter 

 is beveled, and right line CF is 9 inches also. Fiom E to D to fill the space of the worn 

 point is n-50 of an inch. The measure of the curve was made December 21, 1SS2, by use 

 of a sirip of firm paper, and referred to a standard rule. 



